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Tokyo Olympics schedule: Find out when gymnastics, swimming and other events are airing

TODAY

Are home DNA kits really accurate? Jeff Rossen investigates

04:31

DNA tests you can take with do-it-yourself kits sent right to your home are more popular than ever, but how well do they really work? TODAY national investigative correspondent Jeff Rossen looks into it – with the help of identical triplet sisters!Dec. 1, 2017

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